Duel RS4 Vs YZF-R125: the return to full six !
With all due respect to the purists, the reign of 125 sport 4-stroke motorcycles is now established. We therefore organized a duel between the two sharpest representatives of this category: the new Aprilia RS4 and the Yamaha YZF-R125…. Duel 125 !
Yamaha YZF-R 125 tech. Sheet
| Engine | |
| Type | Single cylinder, 4 stroke, liquid cooled |
| Displacement | 124.66 cc |
| Bore x stroke | 52 x 58.6 mm |
| Distribution | 4 valves, single overhead camshaft |
| Food | Mikuni injection |
| Volumetric ratio | 11.2: 1 |
| Max power | 15 hp (11kW) at 9,000 rpm |
| Max torque | 12.24 Nm at 8,000 rpm |
| Ignition | TCI electronics |
| Starter | Electric |
| Lubrication | Wet sump |
| Transmission | |
| Gearbox | 6 gears in constant mesh |
| Clutch | Multi-disc in oil bath |
| Primary transmission | 3.042 (24/73) |
| 1st | 2.833 (12/34) |
| 2nd | 1.872 (16/30) |
| 3rd | 1.364 (22/30) |
| 4th | 1.143 (21/24) |
| 5th | 0.957 (23/22) |
| 6th | 0.840 (25/21) |
| Final report | 3.429 (14/48) |
| Secondary transmission | Chain |
| Cycle part | |
| Frame | Steel deltabox |
| Front suspension | Telescopic fork |
| Suspension Ar | Alu swingarm (Monocross) |
| Front travel | 130 mm |
| Travel Ar | 125 mm |
| Front brake | Single 292 mm disc |
| Ar brake | Single 230 mm disc |
| Front tire | 100 / 80-17 M / C |
| Tire Ar | 130 / 70-17 M / C |
| Dimensions, weight, capacities | |
| Overall length | 2,015 mm |
| Overall width | 660 mm |
| Overall height | 970 mm |
| Saddle height | 818 mm |
| Wheelbase | 1355 mm |
| Ground clearance | 155 mm |
| Fuel tank | 13.8 liters |
| Oil tank | 1.15 liters |
| Full weight | 138 kg |
| Commercial information | |
| Availability | Immediate () |
| Colors | Black "Power", White "Competition" or Blue "Yamaha" |
| Price | € 3,999 |
| Guarantee | 2 years, unlimited mileage |
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